If you use Uchuu DR1 data, please cite the Uchuu DR1 paper. 

"The Uchuu Simulations: Data Release 1 and Dark Matter Halo Concentrations",
Tomoaki Ishiyama, Francisco Prada, Anatoly A. Klypin, Manodeep Sinha, 
R. Benton Metcalf, Eric Jullo, Bruno Altieri, Sofía A. Cora, Darren Croton, 
Sylvain de la Torre, David E. Millán-Calero, Taira Oogi, José Ruedas, 
Cristian A. Vega-Martínez, 
MNRAS, 506, 4210,
https://ui.adsabs.harvard.edu/abs/2021MNRAS.506.4210I/

Then, please consider adding this text to the Acknowledgements section of your paper(s):
http://www.skiesanduniverses.org/Simulations/Uchuu/UchuuCredits/