%% You should probably cite draft-ietf-idr-flowspec-nvo3 instead of this I-D.
@techreport{hao-idr-flowspec-nvo3-01,
    number =    {draft-hao-idr-flowspec-nvo3-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-hao-idr-flowspec-nvo3/01/},
    author =    {Hao Weiguo and Shunwan Zhuang and Zhenbin Li},
    title =     {{Dissemination of Flow Specification Rules for NVO3}},
    pagetotal = 7,
    year =      2015,
    month =     aug,
    day =       15,
    abstract =  {This draft proposes a new subset of component types to support the NVO3 flow-spec application.},
}