Please refer in your paper to the NBRP-Rat resource, which you received from us.
The example often used is:
We are thankful to the National BioResource Project - Rat
(http://www.anim.med.kyoto-u.ac.jp/NBR/) for providing rat strains (the strain
name and NBRP Rat No.).
(the strain name and NBRP Rat No.) rats were supplied by the National BioResource Project - Rat,
Kyoto University (Kyoto, Japan).
Please enter the information on your publications that used resources obtained
from us by either submitting the PubMed ID or the relevant data into the
reference form from here.
Thank you very much for your cooperation.