@misc{cryptoeprint:2010:112,
    author = {Jun Shao and Zhenfu Cao and Peng Liu},
    title = {CCA-Secure PRE Scheme without Random Oracles},
    howpublished = {Cryptology ePrint Archive, Report 2010/112},
    year = {2010},
    url = {http://eprint.iacr.org/2010/112},
}