@misc{cryptoeprint:2013:249, author = {Kaoru Kurosawa and Takuma Ueda}, title = {How to Factor N_1 and N_2 When p_1=p_2 mod 2^t}, howpublished = {Cryptology ePrint Archive, Report 2013/249}, year = {2013}, url = {http://eprint.iacr.org/2013/249}, }