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math.NT2010
On Pseudopoints of Algebraic Curves
Reza R. Farashahi, Igor E. Shparlinski
Following Kraitchik and Lehmer, we say that a positive integer is an -pseudosquare if it is a quadratic residue for each odd prime , yet is not a squar…
math.NT2010★ 1 cited
Pseudorandom Bits From Points on Elliptic Curves
Reza R. Farashahi, Igor E. Shparlinski
Let $\E$ be an elliptic curve over a finite field $\F_{q}$ of elements, with , given by an affine Weierstraß equation. We also use to denote the -compone…
math.NT2010
On group structures realized by elliptic curves over a fixed finite field
Reza Rezaeian Farashahi, Igor E. Shparlinski
We obtain explicit formulas for the number of non-isomorphic elliptic curves with a given group structure (considered as an abstract abelian group). Moreover, we give explicit form…