%% You should probably cite draft-ietf-kitten-cammac instead of this I-D.
@techreport{ietf-krb-wg-cammac-03,
    number =    {draft-ietf-krb-wg-cammac-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-krb-wg-cammac/03/},
    author =    {Simo Sorce and Taylor Yu and Thomas Hardjono},
    title =     {{Kerberos Authorization Data Container Authenticated by Multiple MACs}},
    pagetotal = 8,
    year =      2012,
    month =     oct,
    day =       22,
    abstract =  {Abstract: This document specifies a Kerberos Authorization Data container that supersedes AD-KDC-ISSUED. It allows for multiple Message Authentication Codes (MACs) or signatures to authenticate the contained Authorization Data elements.},
}