1. J. -M. Couveignes, Linearizing torsion classes in the Picard group of algebraic curves over finite fields, J. Algebra 321 (2009), no. 8, 2085–2118.[MR/arXiv]
  2. Jean-Marc Couveignes and Reynald Lercier, Elliptic periods for finite fields, Finite Fields Appl. 15 (2009), no. 1, 1–22.[MR/doi]