%% You should probably cite draft-ietf-6tisch-6top-interface instead of this I-D.
@techreport{wang-6tisch-6top-interface-02,
    number =    {draft-wang-6tisch-6top-interface-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-wang-6tisch-6top-interface/02/},
    author =    {Qin Wang and Xavier Vilajosana and Thomas Watteyne},
    title =     {{6TiSCH Operation Sublayer (6top) Interface}},
    pagetotal = 29,
    year =      2014,
    month =     feb,
    day =       14,
    abstract =  {This document defines a generic data model for the 6TiSCH Operation Sublayer (6top), using the YANG data modeling language. This data model can be used for future network management solutions defined by the 6TiSCH working group. This document also defines a list commands internal to the 6top sublayer.},
}