Computing the order of points on an elliptic curve modulo N is as difficult as factoring N

Sebastià Martín Molleví, Paz Morillo, Jorge Luis Villar. Computing the order of points on an elliptic curve modulo N is as difficult as factoring N. Appl. Math. Lett., 14(3):341-346, 2001. [doi]

Abstract

Abstract is missing.