use pole-zero tracking compensation and nest miller compensation
related paper:
K. C. Kwok and P. K. T. Mok
Pole-Zero Tracking Frequency Compensation for Low Dropout Regulator
IEEE InternationalSymposium on Circuits and Systems
vol. 4, pp. 735-738, May 2002.
K. N. Leung, P. K. T. Mok, and W. H. Ki
A Novel Frequency Compensation Technique for Low-Voltage Low-Dropout
Regulator
IEEE International Symposium on Circuits and Systems
vol. 5, pp.102-105, May 1999.
Added after 9 minutes:
possible useful paper for you