%% You should probably cite draft-ietf-krb-wg-general-pac instead of this I-D.
@techreport{sorce-krbwg-general-pac-02,
    number =    {draft-sorce-krbwg-general-pac-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-sorce-krbwg-general-pac/02/},
    author =    {Simo Sorce and Taylor Yu and Thomas Hardjono},
    title =     {{A Generalized PAC for Kerberos V5}},
    pagetotal = 15,
    year =      2011,
    month =     jun,
    day =       7,
    abstract =  {This draft proposes a generalized authorization structure for the Kerberos V5 protocol. Such an authorization structure would allow for greater interoperability among directory services and other related Kerberos services across differing realms.},
}