%% You should probably cite draft-ietf-roll-efficient-npdao instead of this I-D.
@techreport{jadhav-roll-efficient-npdao-00,
    number =    {draft-jadhav-roll-efficient-npdao-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-jadhav-roll-efficient-npdao/00/},
    author =    {Rahul Jadhav and Rabi Narayan Sahoo and Zhen Cao},
    title =     {{No-Path DAO modifications}},
    pagetotal = 14,
    year =      2017,
    month =     feb,
    day =       15,
    abstract =  {This document describes the problems associated with the use of No- Path DAO messaging in RPL and a signaling improvement to improve route invalidation efficiency.},
}