algorithm is implemented in the PARI/GP computer algebra system in the GP function ellap. External links "Schoof: Counting points on elliptic curves over finite fields" article on Mathworld "Remarks on the Schoof-Elkies-Atkin algorithm" "The Schoof-Elkies-Atkin Algorithm in Characteristic 2" Asymmetric-key algorithms Elliptic curve cryptography Group theory Finite fields Number theory