%% You should probably cite rfc6407 instead of this I-D.
@techreport{ietf-msec-gdoi-update-11,
    number =    {draft-ietf-msec-gdoi-update-11},
    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-msec-gdoi-update/11/},
    author =    {Thomas Hardjono and Sheela Rowles and Brian Weis},
    title =     {{The Group Domain of Interpretation}},
    pagetotal = 64,
    year =      2011,
    month =     aug,
    day =       12,
    abstract =  {This document describes the Group Domain of Interpretation (GDOI) protocol specified in RFC 3547. The GDOI provides group key management to support secure group communications according to the architecture specified in RFC 4046. The GDOI manages group security associations, which are used by IPsec and potentially other data security protocols. This document replaces RFC 3547. {[}STANDARDS-TRACK{]}},
}