@Misc{Riv11a, author = { Ronald L. Rivest }, title = { The growth of cryptography }, howpublished = { Talk given February 8, 2011 at my Killian award lecture. }, date = { 2011-02-08 }, urla = { video }, urlb = { better-video }, urlc = { press }, OPTmonth = { February 8, }, OPTyear = { 2011 }, }