New BLS12 hash function M1 (#376)

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deliveries/new_bls12_hash_function-milestone_1.md

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+# Milestone Delivery :mailbox:
+
+**The [invoice form :pencil:](https://docs.google.com/forms/d/e/1FAIpQLSfmNYaoCgrxyhzgoKQ0ynQvnNRoTmgApz9NrMp-hd8mhIiO0A/viewform) has been filled out correctly for this milestone and the delivery is according to the official [milestone delivery guidelines](https://github.com/w3f/Grants-Program/blob/master/docs/milestone-deliverables-guidelines.md).**  
+
+* **Application Document:** https://github.com/w3f/Grants-Program/blob/master/applications/new_bls12_hash_function.md
+* **Milestone Number:** 1
+
+**Context** (optional)
+
+**Deliverables**
+
+| Number | Deliverable | Link | Notes |
+| ------------- | ------------- | ------------- |------------- |
+| 0a. | License | https://www.gnu.org/licenses/gpl-3.0.html | ... |
+| 0b. | Documentation | published article: https://link.springer.com/article/10.1007/s10623-022-01012-8, free eprint version: https://eprint.iacr.org/2021/301 | ... |
+| 0c. | Testing Guide | ... | The main function prints the hash point H(s) = (X:Y:Z) = (x:y:1) on an elliptic curve, where s is a random string, X, Y, Z are the projective coordinates, and x, y are the affine ones, that is x = X/Z, y = Y/Z. Also, inline documentation on the implementation is provided. |
+| 0e. | Article | A link to the implementation is given in Section 1.1 of my new article https://eprint.iacr.org/2021/1082. My gratitude to W3F for its support is expressed at the end of that article. | ... |
+| 1. | Sage implementation | https://github.com/dishport/Indifferentiable-hashing-to-ordinary-elliptic-curves-of-j-0-with-the-cost-of-one-exponentiation | ... | 
+
+**Additional Information**