Fast algorithms for computing the eigenvalue in the Schoof-Elkies-Atkin algorithm

  • Authors:
  • P. Gaudry;F. Morain

  • Affiliations:
  • École polytechnique, Palaiseau, France;École polytechnique, Palaiseau, France

  • Venue:
  • Proceedings of the 2006 international symposium on Symbolic and algebraic computation
  • Year:
  • 2006

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Abstract

The Schoof-Elkies-Atkin algorithm is the best known algorithm for counting the number of points of an elliptic curve defined over a finite field of large characteristic. Several practical and asymptotical improvements for the phase called eigenvalue computation are proposed.