%% You should probably cite draft-ietf-dime-e2e-sec-req instead of this I-D.
@techreport{tschofenig-dime-e2e-sec-req-01,
    number =    {draft-tschofenig-dime-e2e-sec-req-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-tschofenig-dime-e2e-sec-req/01/},
    author =    {Hannes Tschofenig and Jouni Korhonen and Glen Zorn and Kervin Pillay},
    title =     {{Diameter AVP Level Security: Scenarios and Requirements}},
    pagetotal = 8,
    year =      2013,
    month =     jul,
    day =       15,
    abstract =  {This specification discusses requirements for providing Diameter security at the level of individual Attribute Value Pairs.},
}