%0 Journal Article %T Methode A.G.M. pour les courbes ordinaires de genre 3 non hyperelliptiques sur F_{2^N} %A Christophe Ritzenthaler %J Mathematics %D 2003 %I arXiv %X We propose a A.G.M. algorithm for the determination of the characteristic polynomial of an ordinary non hyperelliptic curve of genus 3 over F_{2^N}. %U http://arxiv.org/abs/math/0303072v1