Hi Maryam,
At first you should specify the order of filter ( How much rejection, do you need in certain offset from center frequency? by knowing that, the order of filter can be found). Also there are several types of Filters such as butter worth, chebyshev and etc. Each type has certain properties.
By assuming that you have found the desired passive prototype filter, you can use two method for implementation of the filter:
1) Gyrator Based Filters: in which each inductor will be substituted by a gyrator and capacitor==> gm-C filter
2) Integrator Based Filter Design in which the state space equations of the prototype filter should be written and based on them by utilization of integrator (1/s), the active filter can be built.
2.1) The integrator can be built using op-amp c or gm_c.
A good tutorial about the second approach can be found here:
**broken link removed**