%% You should probably cite draft-ietf-ipsecme-g-ikev2 instead of this I-D.
@techreport{yeung-g-ikev2-13,
    number =    {draft-yeung-g-ikev2-13},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-yeung-g-ikev2/13/},
    author =    {Brian Weis and Yoav Nir and Valery Smyslov},
    title =     {{Group Key Management using IKEv2}},
    pagetotal = 45,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This document presents a group key management protocol defined as a set of IKEv2 exchanges. The protocol is in conformance with the Multicast Security (MSEC) key management architecture, which contains two components: member registration and group rekeying. Both components include a Group Controller/Key Server downloading group security associations to an authorized member of a group.},
}