@misc{cryptoeprint:2009:550,
    author = {Yusuke Naito and Lei Wang and Kazuo Ohta},
    title = {How to Construct Cryptosystems and Hash Functions in Weakened Random Oracle Models},
    howpublished = {Cryptology ePrint Archive, Report 2009/550},
    year = {2009},
    url = {http://eprint.iacr.org/2009/550},
}