@misc{cryptoeprint:2013:159, author = {Dingding Jia and Bao Liand Yamin Liu and Qixiang Mei}, title = {Improving the Message-ciphertext Rate of Lewko's Fully Secure IBE Scheme}, howpublished = {Cryptology ePrint Archive, Report 2013/159}, year = {2013}, url = {http://eprint.iacr.org/2013/159}, }