%% You should probably cite draft-ietf-softwire-dslite-yang instead of this I-D.
@techreport{boucadair-softwire-dslite-yang-04,
    number =    {draft-boucadair-softwire-dslite-yang-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-boucadair-softwire-dslite-yang/04/},
    author =    {Mohamed Boucadair and Christian Jacquenet and Senthil Sivakumar},
    title =     {{YANG Data Model for the DS-Lite Address Family Transition Router (AFTR)}},
    pagetotal = 30,
    year =      2016,
    month =     jun,
    day =       13,
    abstract =  {This document defines a YANG data model for the DS-Lite Address Family Transition Router (AFTR).},
}