get_generators(n)
Generates n approximately random points from bn254 generator.
Converts a bn254 point from secp256k1 base point.
Tonelli-Shanks algorithm was taken from https://rosettacode.org/wiki/Tonelli-Shanks_algorithm
bn254 params https://hackage.haskell.org/package/elliptic-curve-0.3.0/docs/src/Data.Curve.Weierstrass.BN254.html
secp256k1 params https://neuromancer.sk/std/secg/secp256k1