Thomas Beth Willi Geiselmann Rainer Steinwandt Mathematical Techniques in Cryptology-Editorial. 377-378 2006 16 Appl. Algebra Eng. Commun. Comput. 6 http://dx.doi.org/10.1007/s00200-005-0182-z db/journals/aaecc/aaecc16.html#BethGS06