%% You should probably cite draft-ietf-idr-flowspec-nvo3-19 instead of this revision.
@techreport{ietf-idr-flowspec-nvo3-04,
    number =    {draft-ietf-idr-flowspec-nvo3-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-idr-flowspec-nvo3/04/},
    author =    {Donald E. Eastlake 3rd and Hao Weiguo and Shunwan Zhuang and Zhenbin Li and Rong Gu},
    title =     {{BGP Dissemination of Network Virtualization Overlays (NVO3) Flow Specification Rules}},
    pagetotal = 11,
    year =      2019,
    month =     mar,
    day =       4,
    abstract =  {This draft specifies a new subset of component types to support the (Network Virtualization Overlays (NVO3)) flow-spec application.},
}