%% You should probably cite draft-ietf-mobike-protocol instead of this I-D.
@techreport{kivinen-mobike-protocol-00,
    number =    {draft-kivinen-mobike-protocol-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kivinen-mobike-protocol/00/},
    author =    {Tero Kivinen},
    title =     {{MOBIKE protocol}},
    pagetotal = 13,
    year =      2004,
    month =     mar,
    day =       10,
    abstract =  {This document describes the base MOBIKE (IKEv2 mobility and multihoming) protocol. The base protocol contains protocol to notify the other end about the address changes and rules how to change to use new IP-addresses.},
}