Joshua Mason Kathryn Watkins Jason Eisner Adam Stubblefield A natural language approach to automated cryptanalysis of two-time pads. 235-244 2006 conf/ccs/2006usa ACM Conference on Computer and Communications Security http://doi.acm.org/10.1145/1180405.1180435 db/conf/ccs/ccs2006usa.html#MasonWES06