已知数列\(\{a_{n}\}\)满足\(a_{1}=1\)，\(a_{n+1}=2S_{n}+1\)，其中\(S_{n}\)为\(\{a_{n}\}\)的前\(n\)项和，\(n∈N^{*}\)．
\((1)\)求\(a_{n}\)；
\((2)\)若数列\(\{b_{n}\}\)满足\(b_{n}= \dfrac {1}{(1+\log _{3}a_{n})(3+\log _{3}a_{n})}\)，\(\{b_{n}\}\)的前\(n\)项和为\(T_{n}\)，且对任意的正整数\(n\)都有\(T_{n} < m\)，求\(m\)的最小值．