@misc{cryptoeprint:2006:173, author = {Le Trieu Phong and Ogata Wakaha}, title = {Some Practical Public-Key Encryption Schemes in both Standard Model and Random Oracle Model}, howpublished = {Cryptology ePrint Archive, Report 2006/173}, year = {2006}, url = {http://eprint.iacr.org/2006/173}, }