@misc{cryptoeprint:2004:114,
    author = {Liqun Chen and John Malone-Lee},
    title = {Improved Identity-Based Signcryption},
    howpublished = {Cryptology ePrint Archive, Report 2004/114},
    year = {2004},
    url = {http://eprint.iacr.org/2004/114},
}