@misc{cryptoeprint:2008:103,
    author = {Jun Shao and Dongsheng Xing and Zhenfu Cao},
    title = {Identity-Based Proxy Re-encryption Schemes with Multiuse, Unidirection, and CCA Security},
    howpublished = {Cryptology ePrint Archive, Report 2008/103},
    year = {2008},
    url = {http://eprint.iacr.org/2008/103},
}