%% You should probably cite draft-valin-netvc-pvq instead of this I-D.
@techreport{valin-videocodec-pvq-01,
    number =    {draft-valin-videocodec-pvq-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-valin-videocodec-pvq/01/},
    author =    {Jean-Marc Valin},
    title =     {{Pyramid Vector Quantization for Video Coding}},
    pagetotal = 7,
    year =      2014,
    month =     jul,
    day =       4,
    abstract =  {This proposes applying pyramid vector quantization (PVQ) to video coding.},
}