@misc{cryptoeprint:2008:050,
    author = {Sunder Lal and Prashant Kushwah},
    title = {Multi-PKG ID based signcryption},
    howpublished = {Cryptology ePrint Archive, Report 2008/050},
    year = {2008},
    url = {http://eprint.iacr.org/2008/050},
}