@misc{cryptoeprint:2005:461,
    author = {Jonathan Katz and Ji Sun Shin},
    title = {Parallel and Concurrent Security of the HB and HB+ Protocols},
    howpublished = {Cryptology ePrint Archive, Report 2005/461},
    year = {2005},
    url = {http://eprint.iacr.org/2005/461},
}