%% You should probably cite draft-ietf-savi-threat-scope instead of this I-D.
@techreport{mcpherson-savi-threat-scope-00,
    number =    {draft-mcpherson-savi-threat-scope-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-mcpherson-savi-threat-scope/00/},
    author =    {Danny R. McPherson and Fred Baker},
    title =     {{SAVI Threat Scope}},
    pagetotal = 26,
    year =      2008,
    month =     mar,
    day =       13,
    abstract =  {This memo discusses threats enabled by IP source address spoofing and discusses a number of techniques aimed at mitigating those threats.},
}