%% You should probably cite draft-ietf-dime-pmip6 instead of this I-D.
@techreport{korhonen-dime-pmip6-04,
    number =    {draft-korhonen-dime-pmip6-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-korhonen-dime-pmip6/04/},
    author =    {Jouni Korhonen and Julien Bournelle and Ahmad Muhanna and Kuntal Chowdhury and Ulrike Meyer},
    title =     {{Diameter Proxy Mobile IPv6: Support For Mobile Access Gateway and Local Mobility Anchor to Diameter Server Interaction}},
    pagetotal = 22,
    year =      2008,
    month =     sep,
    day =       15,
    abstract =  {This specification defines the Diameter support for the Proxy Mobile IPv6 and the corresponding mobility service session setup. The policy information needed by the Proxy Mobile IPv6 is defined in mobile node's policy profile, which could be downloaded from the Diameter server to the Mobile Access Gateway once the mobile node roams into a Proxy Mobile IPv6 Domain and performs access authentication.},
}