%% You should probably cite draft-ietf-ippm-initial-registry instead of this I-D.
@techreport{morton-ippm-initial-registry-00,
    number =    {draft-morton-ippm-initial-registry-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-morton-ippm-initial-registry/00/},
    author =    {Al Morton and Marcelo Bagnulo and Philip Eardley and Kevin D'Souza},
    title =     {{Initial Performance Metric Registry Entries}},
    pagetotal = 60,
    year =      2015,
    month =     jul,
    day =       6,
    abstract =  {This memo defines the Initial Entries for the Performance Metrics Registry.},
}