@misc{cryptoeprint:2003:073,
    author = {Sunder Lal and Amit K Awasthi},
    title = {A Scheme for obtaining a Warrant Message from the Digital Proxy Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2003/073},
    year = {2003},
    url = {http://eprint.iacr.org/2003/073},
}