\bib{2004/buell-ants6} \yr 2004 \isbn 3--540--22156--5 \editor Duncan A. Buell \book Algorithmic number theory: 6th international symposium, ANTS-VI, Burlington, VT, USA, June 2004, proceedings \series Lecture Notes in Computer Science \seriesvol 3076 \publ Springer-Verlag \publaddr Berlin \endref