Philippe Camacho Alejandro Hevia Marcos A. Kiwi Roberto Opazo Strong Accumulators from Collision-Resistant Hashing. 471-486 2008 ISC http://dx.doi.org/10.1007/978-3-540-85886-7_32 conf/isw/2008 db/conf/isw/isc2008.html#CamachoHKO08