David Lefranc Philippe Painchault Valérie Rouat Emmanuel Mayer A Generic Method to Design Modes of Operation Beyond the Birthday Bound. 328-343 2007 conf/sacrypt/2007 Selected Areas in Cryptography http://dx.doi.org/10.1007/978-3-540-77360-3_21 db/conf/sacrypt/sacrypt2007.html#LefrancPRM07