Construction of rational points on elliptic curves over finite fields

  • Authors:
  • Andrew Shallue;Christiaan E. van de Woestijne

  • Affiliations:
  • Mathematics Department, University of Wisconsin-Madison, Madison, WI;Mathematisch Instituut, Universiteit Leiden, Leiden, The Netherlands

  • Venue:
  • ANTS'06 Proceedings of the 7th international conference on Algorithmic Number Theory
  • Year:
  • 2006

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Abstract

We give a deterministic polynomial-time algorithm that computes a nontrivial rational point on an elliptic curve over a finite field, given a Weierstrass equation for the curve. For this, we reduce the problem to the task of finding a rational point on a curve of genus zero.