%% You should probably cite rfc5142 instead of this I-D.
@techreport{ietf-mip6-ha-switch-06,
    number =    {draft-ietf-mip6-ha-switch-06},
    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-mip6-ha-switch/06/},
    author =    {James Kempf and Brian Haley and DENG Hui and Vijay Devarapalli},
    title =     {{Mobility Header Home Agent Switch Message}},
    pagetotal = 13,
    year =      2007,
    month =     dec,
    day =       4,
    abstract =  {This document specifies a new Mobility Header message type that can be used between a home agent and mobile node to signal to a mobile node that it should acquire a new home agent. {[}STANDARDS-TRACK{]}},
}