Modern computer algebra
Point Counting in Families of Hyperelliptic Curves
Foundations of Computational Mathematics
Counting points on Cab curves using Monsky--Washnitzer cohomology
Finite Fields and Their Applications
Handbook of Elliptic and Hyperelliptic Curve Cryptography, Second Edition
Handbook of Elliptic and Hyperelliptic Curve Cryptography, Second Edition
Fast arithmetic in unramified p-adic fields
Finite Fields and Their Applications
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We apply deformation theory to compute zeta functions ina family of Ca,b curves over a finite field of small characteristic. Themethod combines Denef and Vercauteren's extension of Kedlaya's algorithmto Ca,b curves with Hubrechts' recent work on point counting onhyperelliptic curves using deformation. As a result, it is now possibleto generate Ca,b curves suitable for use in cryptography in a matter ofminutes.